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<HEAD>

    <TITLE>JHU/APL Auroral Oval Boundary</TITLE>

    <META NAME="Copyright" CONTENT="Copyright 2000 Johns Hopkins University Applied Physics Laboratory"/>

    <META NAME="Date" CONTENT="21 February 2000"/>

    <META NAME="Author" CONTENT="J. P. Skura"/>


  

  

    

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<BODY BGCOLOR="#FFFFFF">



<H2>Current OVATION Boundary Information</H2><BR>
<PRE>
08 Aug 1997 01:43:16 yearsecs  18927796
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -61.78   45.72  -68.56  358.29
    1.00  -63.03   60.72  -66.05   17.30
    2.00  -63.83   75.72  -63.13   33.25
    3.00  -67.66   90.72  -63.60   52.70
    4.00  -67.34  105.72  -59.94   63.62
    5.00  -68.09  120.72  -57.88   75.15
    6.00  -68.16  135.72  -55.78   85.18
    7.00  -68.65  150.72  -54.72   95.23
    8.00  -69.13  165.72  -54.15  105.06
    9.00  -69.31  180.72  -53.74  114.59
   10.00  -68.97  195.72  -53.33  123.96
   11.00  -68.66  210.72  -53.54  133.42
   12.00  -68.59  225.72  -54.57  142.96
   13.00  -68.77  240.72  -56.31  152.52
   14.00  -69.20  255.72  -58.65  161.97
   15.00  -69.87  270.72  -61.57  171.09
   16.00  -70.51  285.72  -64.85  180.00
   17.00  -70.61  300.72  -68.08  189.77
   18.00  -70.74  315.72  -71.71  200.14
   19.00  -70.09  330.72  -74.98  214.46
   20.00  -69.28  345.72  -78.14  234.16
   21.00  -68.52    0.72  -80.72  263.66
   22.00  -65.80   15.72  -78.99  305.84
   23.00  -63.53   30.72  -74.46  337.55
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -66.78   45.72  -74.56    6.80
    1.00  -68.03   60.72  -71.75   27.30
    2.00  -68.83   75.72  -68.51   42.92
    3.00  -75.47   90.72  -70.57   69.76
    4.00  -77.70  105.72  -69.35   82.38
    5.00  -78.33  120.72  -67.57   90.02
    6.00  -77.61  135.72  -65.07   95.39
    7.00  -76.49  150.72  -62.56  101.24
    8.00  -76.68  165.72  -61.76  108.86
    9.00  -76.77  180.72  -61.29  116.41
   10.00  -76.57  195.72  -60.98  123.94
   11.00  -76.71  210.72  -61.49  131.46
   12.00  -77.08  225.72  -62.66  138.74
   13.00  -76.92  240.72  -63.75  146.27
   14.00  -76.76  255.72  -65.26  153.86
   15.00  -76.59  270.72  -67.16  161.46
   16.00  -76.43  285.72  -69.46  169.02
   17.00  -76.13  300.72  -72.05  176.91
   18.00  -77.33  315.72  -75.75  179.41
   19.00  -77.58  330.72  -79.03  183.19
   20.00  -76.57  345.72  -82.25  193.75
   21.00  -74.32    0.72  -85.40  226.87
   22.00  -70.80   15.72  -84.55  304.25
   23.00  -68.53   30.72  -80.19  345.52
</PRE>


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